550a2cddfc1470692dd43c342848e5d8f170037ce24f7626feb2b9d617ec9414

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-09-2024 12:15

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General

Target

2024-09-05_c798aa2f6262edd1fc11380ffb4c1b69_cryptolocker.exe
Size

49KB
MD5

c798aa2f6262edd1fc11380ffb4c1b69
SHA1

eb83c1f05c11f4ba76c363a478a9c8efdec351c8
SHA256

550a2cddfc1470692dd43c342848e5d8f170037ce24f7626feb2b9d617ec9414
SHA512

161ff635061520d9d0b85c5679d5205cd762646612a5ff1948c92da9899f538a2bb9cf86651985dcaf26df216a2319ad48c2fa161e19216dd8fe9d64a6d75311
SSDEEP

768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6D8jnPx9UnuDLlD+w6:bIDOw9a0Dwo3P1ojvUSD4PInyDk

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2376	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2304	2024-09-05_c798aa2f6262edd1fc11380ffb4c1b69_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lossy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-05_c798aa2f6262edd1fc11380ffb4c1b69_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 2376	2304	2024-09-05_c798aa2f6262edd1fc11380ffb4c1b69_cryptolocker.exe	30
PID 2304 wrote to memory of 2376	2304	2024-09-05_c798aa2f6262edd1fc11380ffb4c1b69_cryptolocker.exe	30
PID 2304 wrote to memory of 2376	2304	2024-09-05_c798aa2f6262edd1fc11380ffb4c1b69_cryptolocker.exe	30
PID 2304 wrote to memory of 2376	2304	2024-09-05_c798aa2f6262edd1fc11380ffb4c1b69_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-05_c798aa2f6262edd1fc11380ffb4c1b69_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-05_c798aa2f6262edd1fc11380ffb4c1b69_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\lossy.exe

Filesize
49KB

MD5
93046123aa0482902c67f32039f0384b

SHA1
6e5f70526c9108deb80c159b6a24cde3305f6a8d

SHA256
f31b42b05502edfdbffa6f230e12e4658cfde5fb5862e68a544c3336ffa5f6a3

SHA512
72a4029ccd895f0d45452b07159682ac9c915c93ca4dbcfc1d71ea21112a610462056314626969250b3c5cfa1b4f67808a2cc1839b9c140dd46b512d9c610112

Download Submit
memory/2304-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2304-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2304-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2376-15-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download